Homework Help: chemistry

Posted by Kara on Monday, October 3, 2011 at 12:33pm.

Potassium cyanide (KCN) reacts with acids to produce the poisonous hydrogen cyanide gas, HCN, according to the reaction below:
KCN(aq) + HCl(aq) = HCN(g) + KCl(aq)
If a sample of 0.653 g of KCN is placed in an excess of HCl, how much HCN, in grams, is produced?

chemistry - DrBob222, Monday, October 3, 2011 at 1:15pm
Just follow the steps in this worked example.
http://www.jiskha.com/science/chemistry/stoichiometry.html
chemistry - becca, Monday, October 3, 2011 at 6:24pm
did u get the answer?
chemistry - becca, Monday, October 3, 2011 at 6:31pm
i have this exact same problem and i cannot figure out the answer. can you please help?
chemistry - DrBob222, Monday, October 3, 2011 at 10:48pm
Follow the steps in the example.

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